Bipolar disorder is also known as manic-depressive illness. Bipolar disorder is a condition which adversely affects the brain and causes strange and serious changes in mood, ability to function, and energy which, in turn, adversely affects an individual’s jobs and relationships.
People affected by bipolar disorder also experience changes in sleep patterns, behavior, and thinking. It is estimated that within any given year 5.7 million American adults have bipolar disorder. Those suffering from bipolar disorder may have times that they feel extremely happy followed by periods of deep sadness and depression. In between the extreme mood swings those with bipolar disorder tend to feel normal.